Home / 2,545.27-3,817.65-696.55

Finding the Fourth Proportional to 2,545.27, 3,817.65 and 696.55

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Solution

The fourth proportional to 2,545.27, 3,817.65 and 696.55 is: 1,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.27 : 3,817.65 = 696.55 : x
  2. Step 2: Convert to fraction form
    2,545.27/3,817.65 = 696.55/x
  3. Step 3: Cross multiply
    2,545.27x = 3,817.65 × 696.55
  4. Step 4: Simplify right side
    2,545.27x = 2,659,184.11
  5. Step 5: Solve for x
    x = 2,659,184.11/2,545.27
  6. Step 6: Final answer
    x = 1,044.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.